2-Chlorophenol, 100 µg/ml, Methanol, 5ml

2,2',3,3',4,4',5,6,6'-Nonabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

EPA Method 601 - Purgeables Mix #2

Perfluoro-n-[1,2-13C2]octanoic acid, 50µg/ml in MeOH, 1,2ml